1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback XXX brd XXX inet XXX scope host lo valid_lft forever preferred_lft forever inet6 XXX scope host valid_lft forever preferred_lft forever 2: enp0s20f0u3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UNKNOWN group default qlen 1000 link/ether XXX brd XXX inet XXX brd XXX scope global dynamic noprefixroute enp0s20f0u3 valid_lft 3273sec preferred_lft 3273sec inet XXX brd XXX scope global secondary dynamic noprefixroute enp0s20f0u3 valid_lft 3269sec preferred_lft 3269sec inet6 XXX scope link noprefixroute valid_lft forever preferred_lft forever 3: enp3s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN group default qlen 1000 link/ether XXX brd XXX 5: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000 link/ether XXX brd XXX inet XXX brd XXX scope global dynamic noprefixroute wlan0 valid_lft 3280sec preferred_lft 3280sec inet XXX metric 1024 brd XXX scope global secondary dynamic wlan0 valid_lft 3284sec preferred_lft 3284sec inet6 XXX scope link noprefixroute valid_lft forever preferred_lft forever